Question

find the length of rectangle with the following perimeters and breaths 80.6m and 0.3m

Answer 1

we know,

perimeter of rectangle = 2(l + b).

given, perimeter = 80.6m

breadth = 0.3m

A/Q,

$2(l + b) = 80.6 \\ = > 2(l + 0.3) = 80.6 \\ = > l + 0.3 = \frac{80.6}{2} \\ = > l + 0.3 = 40.3 \\ = > l = 40 \: answer$
thus,

length = 40m


Regards

KSHITIJ

Answer 2

given: perimeter = 80.6m
breadth= 0.3m

now, perimeter of rectangle= 2(l+b)


$80.6 = 2l + (2 \times 0.3)$
80.6 - 0.6 = 2l

80 = 2l

$l \: = \frac{80}{2}$
l= 40 m

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